Both ~/.bash_profile and ~/.bashrc are files containing shell commands that are run when Bash is invoked. These files are executed in a user’s context, either interactively or non-interactively, when a user logs in so that their environment is set correctly. Adversaries may abuse this to establish persistence by executing malicious content triggered by a user’s shell.
Rule type: query
Risk score: 47
Runs every: 5 minutes
Maximum alerts per execution: 100
- Threat Detection
Version: 2 (version history)
Added (Elastic Stack release): 7.12.0
Last modified (Elastic Stack release): 7.15.0
Rule authors: Elastic
Rule license: Elastic License v2
Changes to the Shell Profile tend to be noisy, a tuning per your environment will be required.
event.category:file and event.type:change and process.name:(* and not (sudo or vim or zsh or env or nano or bash or Terminal or xpcproxy or login or cat or cp or launchctl or java)) and not process.executable:(/Applications/* or /private/var/folders/* or /usr/local/*) and file.path:(/private/etc/rc.local or /etc/rc.local or /home/*/.profile or /home/*/.profile1 or /home/*/.bash_profile or /home/*/.bash_profile1 or /home/*/.bashrc or /Users/*/.bash_profile or /Users/*/.zshenv)
Framework: MITRE ATT&CKTM
- Version 2 (7.15.0 release)
- Formatting only